Anti-drop assembly structure for window lifter housing

Abstract

The utility model discloses an anti-drop assembly structure for a window lifter housing, which comprises a housing and a wire winding drum, the lower end of the wire winding drum is provided with an anti-drop snap ring, the bottom surface of an assembly groove is provided with an annular limiting fixture block at the periphery of the anti-drop snap ring, and an anti-drop clamping assembly and a guide structure convenient for assembly are arranged between the anti-drop snap ring and the annular limiting fixture block. According to the utility model, the thread rolling cylinder is limited and prevented from falling off through the cooperation of the anti-falling clamping assembly, so that the risk that the thread rolling cylinder falls off is greatly reduced; meanwhile, guide structures such as a guide inclined plane are arranged, so that the assembly process is smoother, and the assembly efficiency is improved; the widened base at the bottom of the limiting clamping block enhances the structural stability of the limiting clamping block; and the housing and the wire rolling cylinder are integrally formed through injection molding, production and manufacturing are convenient, and cost reduction is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts technology, specifically to an anti-detachment assembly structure for a window regulator cover. Background Technology

[0002] The power window regulator, as the core actuator of the automotive door and window system, is responsible for driving the raising and lowering of the window glass. Its performance directly affects the convenience, safety, and reliability of automotive door and window operation. Currently, existing power window regulator housing assembly structures have several problems in practical applications. For example, they lack sufficient resistance to detachment; when subjected to vibrations, impacts, or other external forces during vehicle operation, the housing and related components are prone to displacement and separation, affecting the normal operation of the power window regulator. Furthermore, their assembly convenience is poor, resulting in high assembly costs and significant difficulty. Therefore, there is an urgent need to develop a new anti-detachment assembly structure for the power window regulator housing to solve these problems. Utility Model Content

[0003] The purpose of this utility model is to solve the problems of the existing window crank cover assembly structure in terms of anti-detachment ability and assembly convenience, improve the assembly stability and reliability of the window crank cover, and at the same time reduce assembly cost and difficulty.

[0004] An anti-detachment assembly structure for a window crank cover includes: a cover and a wire winding drum. The cover has an assembly groove, and the wire winding drum is installed in the assembly groove. An anti-detachment retaining ring is fixedly installed on the lower end face of the wire winding drum. Limiting blocks are fixedly installed on the bottom surface of the assembly groove. The limiting blocks are distributed in a ring around the anti-detachment retaining ring. An anti-detachment clamping assembly is provided between the limiting blocks and the anti-detachment retaining ring. The limiting blocks and the anti-detachment retaining ring are also provided with a guide structure to facilitate assembly.

[0005] As a preferred embodiment of this utility model, the anti-detachment clamping component includes a first anti-detachment protrusion and a second anti-detachment protrusion disposed opposite to each other. The first anti-detachment protrusion has an arc-shaped cross-section structure, and the second anti-detachment protrusion has a trapezoidal cross-section structure. The first anti-detachment protrusion is integrally formed on the outer peripheral surface of the anti-detachment clamping ring, and the second anti-detachment protrusion is integrally formed on the inner peripheral surface of the limiting clamping block.

[0006] As a preferred embodiment of this utility model, the guide structure includes a guide slope and an arc-shaped guide surface. The guide slope is formed on the top inner edge of the limiting block, and the lower surface of the anti-disengagement ring is set as an arc-shaped guide surface.

[0007] As a preferred embodiment of this utility model, a widened base is provided at the connection between the bottom of the limiting block and the assembly groove, and the cross-sectional area of ​​the widened base gradually increases downward along the vertical direction.

[0008] As a preferred embodiment of this utility model, the limiting blocks are set to nine at equal angular intervals.

[0009] As a preferred embodiment of this utility model, both the cover and the wire winding spool are manufactured using an injection molding process.

[0010] By adopting the above technical solution, this utility model has the following beneficial effects:

[0011] This invention utilizes a combination of anti-detachment components, including a limiting block, an anti-detachment ring, and first and second anti-detachment protrusions, to limit and prevent the wire winding drum from detaching. Even under external forces such as vibration and impact, it remains firmly fixed within the assembly groove of the casing, significantly reducing the risk of the wire winding drum coming off. Simultaneously, the guide slope and other guiding structures facilitate smoother assembly and improve assembly efficiency. The widened base at the bottom of the limiting block enhances its structural stability. Furthermore, the casing and the wire winding drum are integrally injection molded, facilitating manufacturing and significantly reducing production costs. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0013] Figure 2 This is an exploded cross-sectional view of the casing and wire winding drum of this utility model;

[0014] Figure 3 A cross-sectional view of the housing and winding spool assembly of this utility model;

[0015] Figure 4 This is an enlarged cross-sectional view of the anti-detachment clamping component and guide structure of this utility model.

[0016] In the diagram: 1. Cover; 2. Assembly groove; 3. Winding drum; 4. Anti-detachment retaining ring; 5. Limiting block; 6. First anti-detachment protrusion; 7. Second anti-detachment protrusion; 8. Guide slope; 9. Widened base. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0018] Example 1

[0019] like Figures 1 to 4As shown, a specific embodiment of the anti-detachment assembly structure for a window crank cover of the present invention includes: a cover 1 and a wire winding drum 3. The cover 1 is provided with an assembly groove 2, and the wire winding drum 3 is installed in the assembly groove 2. An anti-detachment retaining ring 4 is fixedly installed on the lower end face of the wire winding drum 3, and a limiting block 5 is fixedly installed on the bottom surface in the assembly groove 2. The limiting block 5 is distributed in a ring around the anti-detachment retaining ring 4.

[0020] An anti-detachment locking assembly is provided between the limit block 5 and the anti-detachment ring 4:

[0021] The anti-detachment clamping assembly includes a first anti-detachment protrusion 6 and a second anti-detachment protrusion 7 arranged opposite to each other. The first anti-detachment protrusion 6 and the second anti-detachment protrusion 7 are integrally formed on the outer peripheral surface of the anti-detachment clamping ring 4 and the inner peripheral surface of the limiting clamping block 5, respectively. The first anti-detachment protrusion 6 has a circular arc cross-section structure, and the second anti-detachment protrusion 7 has a trapezoidal cross-section structure. This design reduces friction and ensures stability.

[0022] The limiting block 5 and the anti-disengagement ring 4 are also equipped with a guide structure to facilitate assembly:

[0023] The guide structure includes a guide ramp 8, which is opened on the top inner edge of the limiting block 5, and the lower surface of the anti-disengagement ring 4 is set as an arc-shaped guide surface.

[0024] Preferably, a widened base 9 is provided at the connection between the bottom of the limiting block 5 and the assembly groove 2. The cross-sectional area of ​​the widened base 9 gradually increases downward along the vertical direction to enhance its own stability.

[0025] Preferably, the limit blocks 5 are spaced nine times at equal angles;

[0026] Preferably, both the cover 1 and the wire winding spool 3 are manufactured using an injection molding process.

[0027] The working principle of this utility model is as follows: During the actual assembly process, the wire winding spool 3 is aligned with the assembly groove 2 on the cover 1; due to the guide slope 8 on the inner edge of the top of the limiting block 5 and the arc-shaped lower surface of the anti-detachment ring 4, the wire winding spool 3 can be inserted into the assembly groove 2 relatively smoothly; as the wire winding spool 3 goes deeper, the first anti-detachment protrusion 6 on the anti-detachment ring 4 gradually cooperates with the second anti-detachment protrusion 7 on the limiting block 5 to lock together; the limiting blocks 5 are set at equal intervals of nine, which can limit the anti-detachment ring 4 from multiple directions to ensure that the wire winding spool 3 is stably installed in the assembly groove 2; at the same time, the widened base 9 at the bottom of the limiting block 5 enhances its own stability, making the entire assembly structure more robust and reliable.

[0028] All components mentioned in this article are general standard parts or components known to those skilled in the art. Their structures and principles can be learned by those skilled in the art through technical manuals or conventional experimental methods, so they will not be described in detail here.

[0029] While the specific embodiments of this utility model have been described in detail above, this utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of this utility model. Modifications or variations that do not involve creative labor are still within the protection scope of this utility model.

Claims

1. A structure for preventing the detachment of a window crank cover, characterized in that, include: The cover (1) and the winding drum (3) are provided with an assembly groove (2) and the winding drum (3) is installed in the assembly groove (2); An anti-detachment shackle (4) is fixedly installed on the lower end face of the winding drum (3), and a limit block (5) is fixedly installed on the bottom surface of the assembly groove (2). The limit block (5) is distributed in a ring around the anti-detachment shackle (4). An anti-detachment clamping assembly is provided between the limiting block (5) and the anti-detachment circlip (4), and a guide structure is also provided on the limiting block (5) and the anti-detachment circlip (4) to facilitate assembly.

2. The anti-detachment assembly structure for a window crank cover according to claim 1, characterized in that: The anti-detachment clamping assembly includes a first anti-detachment protrusion (6) and a second anti-detachment protrusion (7) arranged opposite to each other. The first anti-detachment protrusion (6) and the second anti-detachment protrusion (7) are integrally formed on the outer peripheral surface of the anti-detachment clamping ring (4) and the inner peripheral surface of the limiting clamping block (5), respectively.

3. The anti-detachment assembly structure for a window crank cover according to claim 2, characterized in that: The first anti-detachment protrusion (6) has an arc-shaped cross-section structure, and the second anti-detachment protrusion (7) has a trapezoidal cross-section structure.

4. The anti-detachment assembly structure for a window crank cover according to claim 1, characterized in that: The guide structure includes a guide slope (8), which is located on the top inner edge of the limiting block (5), and the lower surface of the anti-disengagement ring (4) is set as an arc-shaped guide surface.

5. The anti-detachment assembly structure for a window crank cover according to claim 1, characterized in that: The bottom of the limiting block (5) is provided with a widened base (9) at the connection between it and the assembly groove (2), and the cross-sectional area of ​​the widened base (9) gradually increases downward along the vertical direction.

6. The anti-detachment assembly structure for a window crank cover according to claim 1, characterized in that: The limiting blocks (5) are set to nine at equal angular intervals.

7. The anti-detachment assembly structure for a window crank cover according to claim 1, characterized in that: Both the cover (1) and the wire winding cylinder (3) are manufactured using an injection molding process.

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